<!DOCTYPE html>
<!--
@license
Copyright 2019 Google LLC

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<html>
<head>
  <meta charset="utf-8">
  <title>SVG Path Playground</title>
  <script src="../../blockly_uncompressed.js"></script>

  <style>
    html, body {
      height: 100%;
    }
    body {
      background-color: #fff;
      font-family: sans-serif;
      overflow: hidden;
    }
    .pathDebugClass {
      stroke-width: 1px;
      stroke: black;
      fill: none;
    }
    .lineStartMarker {
      fill: blue;
    }
  </style>

<script>
'use strict';
var svgSpace;

function addPathAt(path, x, y) {
  var group = Blockly.utils.dom.createSvgElement('g',
      {
        'transform': 'translate(' + (x + 50) + ', ' + y + ')'
      }, svgSpace);
  Blockly.utils.dom.createSvgElement('path', {
    'd': 'M 0,0 ' + path,
    'marker-start': 'url(#startDot)',
    'marker-end': 'url(#endDot)',
    'class': 'pathDebugClass'
  },
  group);


  return group;
}

function start() {
  svgSpace = document.getElementById('workspace');
  addPathAt(Blockly.BlockSvg.START_HAT_PATH, 0, 40);
  addPathAt(Blockly.BlockSvg.NOTCH_PATH_LEFT, 0, 60);
  addPathAt(Blockly.BlockSvg.NOTCH_PATH_RIGHT, 0, 70);
  addPathAt(Blockly.BlockSvg.INNER_TOP_LEFT_CORNER, 0, 90);
}
</script>

</head>

<body onload="start()">

  <svg xmlns="http://www.w4.org/2000/svg" version="1.1" width="1000px" height="1000px" viewBox="0 0 200 200" id="workspace">

    <defs>
      <!-- Background grid -->
      <pattern id="grid" patternUnits="userSpaceOnUse" width="10" height="10">
        <line stroke="#ccc" stroke-width="2" x1="0" y1="1" x2="2" y2="1"></line>
      </pattern>
      <!-- simple dot marker definitions -->
      <marker id="startDot" viewBox="0 0 10 10" refX="5" refY="5"
          markerWidth="5" markerHeight="5">
        <circle cx="5" cy="5" r="2" fill="red" />
      </marker>
      <marker id="endDot" viewBox="0 0 10 10" refX="5" refY="5"
          markerWidth="5" markerHeight="5">
        <circle cx="5" cy="5" r="2" fill="blue" />
      </marker>
    </defs>
    <rect x="0" y="0" width="1000" height="1000" style="fill:url(#grid);"></rect>
  </svg>
</body>
